When Tonga erupted, the shockwave circled the planet - and the headlines compared it to nuclear war. But as Joe Scott breaks ...

When an undersea volcano erupted in Tonga in January, its watery blast was huge and unusual — and scientists are still trying to understand its impacts. The volcano, known as Hunga Tonga-Hunga Ha’apai ...

A tsunami triggered by a volcanic eruption decimated some islands of the South Pacific nation of Tonga. The crushing effect on land and infrastructure can be seen from outer space. Three of Tonga’s ...

From Taal Volcano's ash plumes to travel alerts, here's what travelers should understand about volcano risks and safety ...

COSTA RICA (KABC) -- Costa Rica's Turrialba Volcano erupted, and the spectacular blast was caught on video. The eruption occurred during the early hours of Thursday morning. The event was caught on ...

MOUNT MERAPI, Indonesia (AP) - A deadly Indonesian volcano spewing lava and smoke for more than a week erupted Wednesday with its biggest blast yet, shooting searing ash miles into the air as soldiers ...

After surviving earthquakes and molten lava, residents of Hawaii's Big Island now have new threats to worry about: steam-driven explosions, hazardous volcanic smog and acid rain. The US Geological ...